Seagate 6TB Enterprise NAS HDD SATA 6Gb/s 128MB Cache 3.5-Inch Internal Bare Drive (ST6000VN0001) Enterprise strong yet customized for NAS and RAID storage NAS-optimized performance for higher write workloads often reflected in NAS applications RAID Rebuild technology mitigates time-consuming complete RAID rebuilds Error recovery prevents unnecessary RAID fallout 7200-RPM spindle delivers raw, sustained throughput performance 128MB cache enables higher random performance Dual-stage actuators deliver precision seeks every time SATA 6Gb/s interface for easy integration into NAS and RAID rackmount systems